Home / 1,188,030.69-1,781,631.32-477,874.53

Finding the Fourth Proportional to 1,188,030.69, 1,781,631.32 and 477,874.53

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Solution

The fourth proportional to 1,188,030.69, 1,781,631.32 and 477,874.53 is: 716,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,030.69 : 1,781,631.32 = 477,874.53 : x
  2. Step 2: Convert to fraction form
    1,188,030.69/1,781,631.32 = 477,874.53/x
  3. Step 3: Cross multiply
    1,188,030.69x = 1,781,631.32 × 477,874.53
  4. Step 4: Simplify right side
    1,188,030.69x = 851,396,227,288.91
  5. Step 5: Solve for x
    x = 851,396,227,288.91/1,188,030.69
  6. Step 6: Final answer
    x = 716,644.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.